const os/user.maxGroups

3 uses

	os/user (current package)
		cgo_listgroups_unix.go#L15: const maxGroups = 2048
		cgo_listgroups_unix.go#L48: 	if *n > maxGroups {
		cgo_listgroups_unix.go#L49: 		return fmt.Errorf("user: %q is a member of more than %d groups", username, maxGroups)